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A hollow sphere is filled with water thr...

A hollow sphere is filled with water through a small hole in it. It is hung by long thread and as water slowly flows out from the hole at the bottom, one finds that the periods of oscillation first increases and then decreases. Explain. Why.

A

will increase

B

will decrease

C

remains constant

D

first increases,then decreases

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JBD PUBLICATION-Oscillations and Waves-EXAMPLE
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